Question

Solve the following simultaneous equations by the method of substitution: y-2x=7, 4y+x=1​

Answer 1

Answer:

y=1, x=-3

Step-by-step explanation:

1. $y-2x=7\\4y+x=1$

2. $y=7+2x\\4(7+2x)+x=1$

3. $x=-3$, y=7+2(-3)

4. $y=1\\x=-3$